The classic fantasy-adventure of a lost prehistoric world deep in the Amazon jungle. To prove himself to the woman he wants to marry, journalist Ed Malone asks for a mission with adventure and danger in it. And although his editor only sends him to interview touchy Professor Challenger, Ed gets more of both than he bargained for. Challenger leads him to a hidden plateau in the South American jungle - a world of carnivorous dinosaurs, giant fish-lizards and murderous ape-men . . .